Update Files

Kha/Backends/Kinc-hxcpp/khacpp/include/hx/StringAlloc.h

@@ -0,0 +1,53 @@
+#ifndef HX_STRING_ALLOC
+#define HX_STRING_ALLOC
+
+#include <stdlib.h>
+#include <stdint.h>
+
+namespace hx
+{
+
+class IStringAlloc
+{
+   public:
+      virtual void *allocBytes(size_t inBytes) = 0;
+
+   protected:
+      ~IStringAlloc(){};
+};
+
+template<int STACK>
+class StringAlloc : public IStringAlloc
+{
+   char buffer[STACK];
+   size_t alloced;
+   char   *heap;
+
+   public:
+      inline StringAlloc() : alloced(0), heap(0) { }
+      ~StringAlloc()
+      {
+         if (heap)
+            free(heap);
+      }
+      void *allocBytes(size_t inBytes)
+      {
+         if (inBytes<=STACK)
+            return buffer;
+         if (inBytes>alloced)
+         {
+            alloced = inBytes;
+            heap = (char *)realloc(heap, alloced);
+         }
+         return heap;
+      }
+   private:
+      StringAlloc(const StringAlloc &);
+      void operator=(const StringAlloc &);
+};
+
+typedef StringAlloc<100> strbuf;
+
+} // end namespace hx
+
+#endif